38340025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 49941248

約数和(自身を除く): 11601223

約数列:

[1, 5, 25, 31, 61, 155, 305, 775, 811, 1525, 1891, 4055, 9455, 20275, 25141, 47275, 49471, 125705, 247355, 628525, 1236775, 1533601, 7668005, 38340025]

約数ペア:

[(1, 38340025), (5, 7668005), (25, 1533601), (31, 1236775), (61, 628525), (155, 247355), (305, 125705), (775, 49471), (811, 47275), (1525, 25141), (1891, 20275), (4055, 9455)]